What are they mainly discussing?

W：You look really busy today. Are you going to have everything ready for tomorrow’s workshop?
M：I’ve just finished arranging a screen and projector, and I still have to bring the chairs and desks into the conference room. I also have to make a dozen copies of handouts for the participants this afternoon.
W：Actually, I’ve just realized that there would be more people showing up． So I think you’d better double them.
Number 53.What are they mainly discussing?
Number 54.What does the man need for the meeting?
Number 55.How many handouts will the man have to prepare?